/*
 * Copyright 2000-2015 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.ide.wizard;

/**
 * Extension for creating unlimited step-chain in project wizard
 */
public interface StepWithSubSteps extends Step {
  /**
   * @return is step ready to be finished
   */
  boolean isLast();

  /**
   * @return current strep in the chain is first
   */
  boolean isFirst();

  /**
   * go to previous step
   */
  void doPreviousAction();
}
